Short Interest

It's just taking the average daily volume and dividing the short interest bu it. The average daily volume fluctuates of course. It is a theoretical number based on IF every share was traded to cover (which of course it is not)....

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Trending Tickers features significant U.S. stocks showing the most dramatic increase in user interest in Yahoo Finance in the previous hour over historic norms. The list is limited to those equities which trade at least 100,000 shares on an average day and have a market cap of more than $300 million.

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